Carson Tahoe Health has cleared more than 54,000 square feet of land south of the old Carson Tahoe Hospital and is angling for a new partner to open a memory-care center on the vacant property.The health care firm, which runs Carson City's new medical center and related units at the city's north edge, is in talks with Prestige Care Inc., Portland, Ore., according to Carson Tahoe Health's Jon Tyler.The CTH spokesman stressed a due-diligence analysis is in the works and there isn't a firm deal yet."We would obviously like it as soon as possible," he said, "but we're holding out …